4 #include <linux/cciss_defs.h>
7 #define CISS_VERSION "1.00"
9 /* general boundary definitions */
10 #define MAXSGENTRIES 32
11 #define CCISS_SG_CHAIN 0x80000000
12 #define MAXREPLYQS 256
14 /* Unit Attentions ASC's as defined for the MSA2012sa */
15 #define POWER_OR_RESET 0x29
16 #define STATE_CHANGED 0x2a
17 #define UNIT_ATTENTION_CLEARED 0x2f
18 #define LUN_FAILED 0x3e
19 #define REPORT_LUNS_CHANGED 0x3f
21 /* Unit Attentions ASCQ's as defined for the MSA2012sa */
23 /* These ASCQ's defined for ASC = POWER_OR_RESET */
24 #define POWER_ON_RESET 0x00
25 #define POWER_ON_REBOOT 0x01
26 #define SCSI_BUS_RESET 0x02
27 #define MSA_TARGET_RESET 0x03
28 #define CONTROLLER_FAILOVER 0x04
29 #define TRANSCEIVER_SE 0x05
30 #define TRANSCEIVER_LVD 0x06
32 /* These ASCQ's defined for ASC = STATE_CHANGED */
33 #define RESERVATION_PREEMPTED 0x03
34 #define ASYM_ACCESS_CHANGED 0x06
35 #define LUN_CAPACITY_CHANGED 0x09
37 /* config space register offsets */
38 #define CFG_VENDORID 0x00
39 #define CFG_DEVICEID 0x02
40 #define CFG_I2OBAR 0x10
41 #define CFG_MEM1BAR 0x14
43 /* i2o space register offsets */
44 #define I2O_IBDB_SET 0x20
45 #define I2O_IBDB_CLEAR 0x70
46 #define I2O_INT_STATUS 0x30
47 #define I2O_INT_MASK 0x34
48 #define I2O_IBPOST_Q 0x40
49 #define I2O_OBPOST_Q 0x44
50 #define I2O_DMA1_CFG 0x214
52 /* Configuration Table */
53 #define CFGTBL_ChangeReq 0x00000001l
54 #define CFGTBL_AccCmds 0x00000001l
56 #define CFGTBL_Trans_Simple 0x00000002l
58 #define CFGTBL_BusType_Ultra2 0x00000001l
59 #define CFGTBL_BusType_Ultra3 0x00000002l
60 #define CFGTBL_BusType_Fibre1G 0x00000100l
61 #define CFGTBL_BusType_Fibre2G 0x00000200l
62 typedef struct _vals32
74 /* Type defs used in the following structs */
78 #define CISS_MAX_PHYS_LUN 1024
83 #define CISS_INQUIRY 0x12
85 typedef struct _InquiryData_struct
90 #define CISS_REPORT_LOG 0xc2 /* Report Logical LUNs */
91 #define CISS_REPORT_PHYS 0xc3 /* Report Physical LUNs */
93 typedef struct _ReportLUNdata_struct
95 BYTE LUNListLength[4];
97 BYTE LUN[CISS_MAX_LUN][8];
98 } ReportLunData_struct;
100 #define CCISS_READ_CAPACITY 0x25 /* Read Capacity */
101 typedef struct _ReadCapdata_struct
103 BYTE total_size[4]; /* Total size in blocks */
104 BYTE block_size[4]; /* Size of blocks in bytes */
105 } ReadCapdata_struct;
107 #define CCISS_READ_CAPACITY_16 0x9e /* Read Capacity 16 */
109 /* service action to differentiate a 16 byte read capacity from
110 other commands that use the 0x9e SCSI op code */
112 #define CCISS_READ_CAPACITY_16_SERVICE_ACT 0x10
114 typedef struct _ReadCapdata_struct_16
116 BYTE total_size[8]; /* Total size in blocks */
117 BYTE block_size[4]; /* Size of blocks in bytes */
118 BYTE prot_en:1; /* protection enable bit */
119 BYTE rto_en:1; /* reference tag own enable bit */
120 BYTE reserved:6; /* reserved bits */
121 BYTE reserved2[18]; /* reserved bytes per spec */
122 } ReadCapdata_struct_16;
124 /* Define the supported read/write commands for cciss based controllers */
126 #define CCISS_READ_10 0x28 /* Read(10) */
127 #define CCISS_WRITE_10 0x2a /* Write(10) */
128 #define CCISS_READ_16 0x88 /* Read(16) */
129 #define CCISS_WRITE_16 0x8a /* Write(16) */
131 /* Define the CDB lengths supported by cciss based controllers */
137 #define BMIC_READ 0x26
138 #define BMIC_WRITE 0x27
139 #define BMIC_CACHE_FLUSH 0xc2
140 #define CCISS_CACHE_FLUSH 0x01 /* C2 was already being used by CCISS */
142 /* Command List Structure */
143 #define CTLR_LUNID "\0\0\0\0\0\0\0\0"
145 typedef struct _CommandListHeader_struct {
151 } CommandListHeader_struct;
152 typedef struct _ErrDescriptor_struct {
155 } ErrDescriptor_struct;
156 typedef struct _SGDescriptor_struct {
160 } SGDescriptor_struct;
163 #define CMD_RWREQ 0x00
164 #define CMD_IOCTL_PEND 0x01
165 #define CMD_SCSI 0x03
166 #define CMD_MSG_DONE 0x04
167 #define CMD_MSG_TIMEOUT 0x05
168 #define CMD_MSG_STALE 0xff
170 /* This structure needs to be divisible by 8 for new
171 * indexing method. PAD_32 and PAD_64 can be adjusted
172 * independently as needed for 32-bit and 64-bits systems.
174 #define IS_64_BIT ((sizeof(long) - 4)/4)
175 #define IS_32_BIT (!IS_64_BIT)
178 #define PADSIZE (IS_32_BIT * PAD_32 + IS_64_BIT * PAD_64)
179 typedef struct _CommandList_struct {
180 CommandListHeader_struct Header;
181 RequestBlock_struct Request;
182 ErrDescriptor_struct ErrDesc;
183 SGDescriptor_struct SG[MAXSGENTRIES];
184 /* information associated with the command */
185 __u32 busaddr; /* physical address of this record */
186 ErrorInfo_struct * err_info; /* pointer to the allocated mem */
190 struct hlist_node list;
192 struct completion *waiting;
196 } CommandList_struct;
198 /* Configuration Table Structure */
199 typedef struct _HostWrite_struct {
200 DWORD TransportRequest;
206 typedef struct _CfgTable_struct {
209 DWORD TransportSupport;
210 DWORD TransportActive;
211 HostWrite_struct HostWrite;
219 DWORD MaxLogicalUnits;
220 DWORD MaxPhysicalDrives;
221 DWORD MaxPhysicalDrivesPerLogicalUnit;
224 #endif /* CCISS_CMD_H */